You're 100% safe to do it through Coinbase. It's the easiest way to invest in Bitcoin. It's like investing through Robinhood.

https://www.coinbase.com/join/mccall_51e

I'd recommend just investing a little bit over time as the price fluctuates. However, with the incoming inflation that is about to hit America, I think it's a very good investment for the future.

Not investment advice by the way :3